Explore robots

How-To Guides: Build, Program, and Learn Robotics

Step-by-step guides for DIY robot builders, from your first line-following robot to 3D-printed platforms, with project tutorials organized by skill level.

Guide

Guide Coming Soon

We’re still researching this guide. Explore the related guides below while we verify the available products, pricing, support, and evidence.

Related Guides

More in How-To Guides: Build, Program, and Learn Robotics

Explore related guides in this section.

Robotics Business Ideas for Starting an Automation Company

Explore viable robotics business ideas, from systems integration and equipment distribution to Robot-as-a-Service operations and technical career paths.

3D-Printed Robot Projects: The 2026 Build Guide

The top open-source 3D-printed robot projects — Otto DIY, InMoov, Poppy, printable robot arms — with STL sources, required electronics, and print-time expectations.

Robotics for Beginners: How to Actually Start (2026)

Where to start in robotics as an adult beginner — pick a platform (Arduino, Raspberry Pi, or micro:bit), a 4-project ladder, and the exact parts to buy.

DIY Line-Following Robot: Arduino Build Guide (2026)

Step-by-step build guide for a DIY line-following robot with IR sensors, motor driver, Arduino sketch, and PID tuning — parts list, wiring, and downloadable code.

DIY Obstacle-Avoiding Robot: Arduino Build Guide (2026)

Build a DIY obstacle-avoiding robot with an HC-SR04 ultrasonic sensor, servo head sweep, motor driver, and Arduino code — parts list, wiring, and downloadable sketch.

Parts of a Robot: Every Component and What It Does

The six functional parts of a robot — frame, actuators, power, sensors, controller, end effector — what each does and how each one fails.

What Is Robot as a Service? Models, Costs, and Buying

Learn how Robot as a Service (RaaS) works, how recurring subscription pricing compares to buying outright, and which acquisition model fits your floor.

How to Calculate Robot Automation ROI (Worked Example)

How to calculate the ROI of a robot system by hand — the exact inputs that matter, the payback-period formula, a worked example, and the assumptions most calculators hide.

Humanoid Robot Joints: A Zone-by-Zone Motion Guide

Why humanoid robot joints can't share one motor-and-drive design across the whole body. How hips, shoulders, wrists, and ankles each demand different tradeoffs, and why hardware lags software by years.

Rack and Pinion Linear Motion System Sizing for Engineers

How to size a rack and pinion linear motion system for robotics and gantries: feed force, linear speed, pinion diameter, and tooth geometry.

3D Machine Vision for Robots: Direct Sensing vs AI Depth

Compare direct depth sensing against AI depth inference for robot perception hardware, from LiDAR and stereo vision to neural network surface reconstruction.

Open Source Robots: How They Work And Where To Start

What open-source robots are, why open hardware and software matter, the key projects (LeRobot, Reachy, Sourccey), how to build one, costs, and licensing caveats.

What Is LeRobot? Hugging Face's Open Robotics Library

LeRobot is Hugging Face's open-source robot-learning library: models, datasets, and code plus low-cost arms like the SO-101. See what it is and how to start.

Reinforcement Learning Robots: How Training Works

How reinforcement learning teaches a robot to walk, what hardware you need, which robots you can train today, and how it differs from learning by demonstration.

Newsletter

Get the next robotics briefing in your inbox.

Price changes, verified launch updates, deployment signals, and new buyer guides.